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Beyond metacommunity paradigms: habitat configuration, life history, and movement shape an herbivore community on oak
Stockholm University, Faculty of Science, Department of Ecology, Environment and Plant Sciences.
Number of Authors: 4
2015 (English)In: Ecology, ISSN 0012-9658, E-ISSN 1939-9170, Vol. 96, no 12, 3175-3185 p.Article in journal (Refereed) Published
Abstract [en]

Many empirical studies of metacommunities have focused on the classification of observational patterns into four contrasting paradigms characterized by different levels of movement and habitat heterogeneity. However, deeper insight into the underlying local and regional processes may be derived from a combination of long-term observational data and experimental studies. With the aim of exploring forces structuring the insect metacommunity on oak, we fit a hierarchical Bayesian state-space model to data from observations and experiments. The fitted model reveals large variation in species-specific dispersal abilities and basic reproduction numbers, R-0. The residuals from the model show only weak correlations among species, suggesting a lack of strong interspecific interactions. Simulations with model-derived parameter estimates indicate that habitat configuration and species attributes both contribute substantially to structuring insect communities. Overall, our findings demonstrate that community-level variation in movement and life history are key drivers of metacommunity dynamics.

Place, publisher, year, edition, pages
2015. Vol. 96, no 12, 3175-3185 p.
Keyword [en]
Bayesian community model, dispersal ability, habitat configuration, metacommunity, movement, oak herbivore communities, plant-insect interactions, Quercus robur, southern Finland
National Category
Biological Sciences
URN: urn:nbn:se:su:diva-126406DOI: 10.1890/15-0180.1ISI: 000367287900006OAI: diva2:901526
Available from: 2016-02-08 Created: 2016-02-01 Last updated: 2016-02-08Bibliographically approved

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Tack, Ayco J. M.
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